Nothing is a waste of time if you use the experience wisely.
如果你明智地利用经验,那么没有什么是浪费时间。
The past is a shadow that follows us everywhere.
The friend who holds your hand and says the wrong thing is made of dearer stuff than the one who stays away.
对一个人而言看似善良的事物,对另一个人可能看似邪恶,反之亦然。